Telecommunications Fiber Optics 2

Question 1

What does EDFA stand for and what is its role?

Accepted Answer

Erbium-Doped Fiber Amplifier; amplifies optical signals without converting them to electrical

Answer

Enhanced Data Flow Analyzer; monitors fiber bandwidth

Answer

Electrical Distribution Frame Adapter; converts optical to copper

Answer

External Drive Fiber Array; stores backup data on fiber

Question 2

What is insertion loss in a fiber optic link?

Accepted Answer

The attenuation of optical power through a component or connector

Answer

Signal gain added by amplifiers

Answer

Interference from adjacent fibers

Answer

Delay caused by fiber length

Question 3

What connector type is most commonly used in enterprise fiber deployments in the US?

Accepted Answer

LC

Answer

SC

Answer

ST

Answer

FC

Question 4

What type of fiber splice permanently joins two fibers with minimal loss?

Accepted Answer

Fusion splice

Answer

Mechanical splice

Answer

Connector splice

Answer

Adhesive splice

Question 5

What is the purpose of a fiber optic attenuator?

Accepted Answer

Intentionally reduce optical signal power to prevent receiver saturation

Answer

Boost weak optical signals

Answer

Split a single fiber into multiple outputs

Answer

Convert multimode to single-mode signals

Question 6

What does PON stand for and where is it typically used?

Accepted Answer

Passive Optical Network; used in fiber-to-the-home (FTTH) deployments

Answer

Point of Node; used in backbone routing

Answer

Protocol Over Network; used in VoIP systems

Answer

Power Over Node; used in PoE switches